The 3D model is specially directed at geologists new to alkaline rocks so that they can quickly learn the key points to guide the search for REEs. Share 2 Comments ...

This energy level model shows two electrons on the first energy level and six electrons on the second energy level. Since this atom has a total of eight electrons, it also has eight protons. The atom ...

Today at I/O, Google announced the latest prototype of Project Starline, its 3D teleconferencing video booth. On the face of it, the biggest difference a dramatic reduction in hardware.